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基于2003~2014年长江经济带的省际面板数据探讨了不同类型的环境规制对国际R&D溢出效应的影响,通过熵值法客观赋权,构建命令控制型、市场激励型和自愿参与型3种环境规制指数,进一步考察了不同类型的环境规制对国际R&D溢出的影响。研究表明:(1)环境规制对国际R&D溢出水平呈现“反N型”曲线关系,虽然类型不同,但随着环境规制强度不断提升,国际R&D溢出效应均呈现先下降、后上升、再下降的趋势;(2)不同类型的环境规制对国际R&D溢出的作用具有异质性,当前在长江经济带发挥作用的主要是命令控制型和市场激励型环境规制,自愿参与型环境规制对国际R&D溢出效应的激励作用尚未完全显现。结论在一定程度上印证了“波特假说”在开放条件下也是成立的,最后依据上述结论提出了相应的政策建议。
Based on the provincial panel data of the Yangtze River Economic Belt from 2003 to 2014, this paper explores the impact of different types of environmental regulation on international R & D spillovers. By entropy objective entropy, we construct three types of order control, market incentive and voluntary participation Environmental Regulation Index further examines the impact of different types of environmental regulation on international R & D spillovers. The results show that: (1) The environmental regulation has a “anti-N-type” curve on the international R & D spillover level. Although the types are different, with the continuous improvement of environmental regulation intensity, the international R & D spillover effect first decreases and then rises. (2) The heterogeneity of different types of environmental regulation on international R & D spillovers. Currently, the main functions in the Yangtze River Economic Belt are order-controlled and market-driven environmental regulation, voluntary participation in environmental regulation on international The stimulating effect of R & D spillover effect has not yet been fully revealed. The conclusion proves to some extent that the “Porter Hypothesis” is also established under the condition of openness. Finally, the corresponding policy suggestions are put forward based on the above conclusions.